Fumaric acid CAS 110-17-8 Whakaahua Whakaatu

waikawa Fumaric CAS 110-17-8

Āhuatanga matū:

Tātai rāpoi	C4H4O4
Molar Mass	116.07
Kiato	1.62
Te Whakarewa	298-300 °C (whakaiti) (marama)
Piro Pouri	137.07°C (whakatau tata)
Tohu Kohiko	230 °C
Nama JECFA	618
Wairewa wai	0.63 g/100 mL (25 ºC)
Wairewa	Wairewa i roto i te DMSO, te wai, karekau e rewa i roto i te ngako-wairewa whakarewa pararopi
Kohu Kohu	1.7 mm Hg (165 °C)
Te ahua	Te paura ma, te karaihe kore ranei
Tae	Mā
Merck	14,4287
BRN	605763
pKa	3.02, 4.38(i te 25 ℃)
PH	3.19(1 mM otinga);2.57(10 mM otinga);2.03(100 mM otinga);
Tikanga Rokiroki	Whakaorangia ki raro +30°C.
Te pumau	Pumau i te pāmahana rūma. Ka pirau i te takiwa o te 230 C. Kare i te hototahi ki nga matū waiora kaha, nga turanga, nga mea whakaheke. Ka mura.
Tairongo	He ngawari te tango i te makuku
Tepe Pahū	40%
Taurangi Refactive	1.5260 (whakatau tata)
MDL	MCD00002700
Āhuatanga ā-tinana, matū hoki	Ko nga ahuatanga o te monoclinic tae-kore-rite ki te ngira, lobular Crystal ranei, hua reka kawa. memehatanga: he iti te wairewa ki te wai, te etera me te waikawa ahetiki, ka memeha ki te waiwaro. Tata korekore ki te chloroform.
Whakamahi	Mo te hanga i te Resin Polyester Unsaturated, pesticides, waikawa me te waikawa amino

Tukuna he imeera ki a matou

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate	Xi – Irritant
Waehere Morearea	36 – He whakapataritari ki nga kanohi
Whakaahuatanga Haumaru	26 – Ki te pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
UN ID	UN 9126
WGK Tiamana	1
RTECS	LS9625000
TSCA	Ae
Waehere HS	29171900
Te paitini	LD50 ā-waha i roto i te Rapeti: 9300 mg/kg LD50 dermal Rabbit 20000 mg/kg

Kupu Whakataki

waikawa Fumaric. E whai ake nei he kupu whakataki mo nga rawa, nga whakamahinga, nga tikanga whakarite me nga korero haumaru o te waikawa transbutalic:

Kounga:

- Ko te waikawa Transbutadiic he karaehe taekore, he totoka ma ranei me te reka kawa kawa.

- He wairewa ki te wai me te maha o nga whakarewa pararopi penei i te waipiro me te etera.

- I te teitei o te mahana, ka pakaru te waikawa transbutylic ki te whakaputa i te waro hauhaa me te acetone.

Whakamahia:

- Kei te whakamahia nuitia i roto i te whakarite o te polyester resins mo te hanga i nga hua penei i te paninga, te kirihou, me te muka.

Tikanga:

- Ka taea te whiwhi waikawa Transbutenedic ma te tauhohenga o te butene brominated me te konutai warokawa. Ko te tikanga whakahiato motuhake he maha nga waahanga, tae atu ki te whakarite i te butene, te tauhohenga bromination, me te waiwai kawakore.

Mōhiohio Haumaru:

- Ko te waikawa Transbutadiic he puhui whakapataritari ka pa ki te kiri me nga kanohi.

- Mau taputapu whakamarumaru whaiaro e tika ana penei i nga karapu, karaehe, me nga kakahu whakamarumaru i te wa e whakahaere ana.

- A ape i te hongi i te puehu, i te kohu ranei, me mahi i roto i te waahi whai hau pai.

- Ko nga ture a-rohe me nga tikanga whakahaere haumaru me whai i te wa e rongoa ana me te whakahaere i te puhui.

Tōmua: Isopropylamine CAS 75-31-0

Panuku: (+/-)-COREY LACTONE, 5-(4-PHENYLBENZOATE) CAS 54382-73-9

Tuhia to korero ki konei ka tukuna mai ki a matou